qt-everywhere-src-5.15.1/qtmultimedia/config.tests/wasapi/main.cpp

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** This file is part of the QtMultimedia module of the Qt Toolkit.
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#include <Audioclient.h>
#include <wrl.h>
#include <mmdeviceapi.h>
#include <windows.devices.enumeration.h> // clang-cl 6.0.0 chokes on this

class AudioInterface : public Microsoft::WRL::RuntimeClass<Microsoft::WRL::RuntimeClassFlags
        <Microsoft::WRL::Delegate>, Microsoft::WRL::FtmBase, IActivateAudioInterfaceCompletionHandler>
{
public:
    explicit AudioInterface() { }
    ~AudioInterface() { }

    virtual HRESULT STDMETHODCALLTYPE ActivateCompleted(IActivateAudioInterfaceAsyncOperation *) { }
};

int main(int, char**)
{
    IUnknown *aInterface = nullptr;
    IAudioClient* client;
    aInterface->QueryInterface(IID_PPV_ARGS(&client));

    WAVEFORMATEX *format;
    client->GetMixFormat(&format);

    return 0;
}